CN103631146A - Testing system of air conditioner controller and carbon dioxide concentration sensor simulation apparatus - Google Patents
Testing system of air conditioner controller and carbon dioxide concentration sensor simulation apparatus Download PDFInfo
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- CN103631146A CN103631146A CN201210307030.8A CN201210307030A CN103631146A CN 103631146 A CN103631146 A CN 103631146A CN 201210307030 A CN201210307030 A CN 201210307030A CN 103631146 A CN103631146 A CN 103631146A
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Abstract
The invention discloses a testing system of an air conditioner controller and a carbon dioxide concentration sensor simulation apparatus. The simulation apparatus comprises: a receiving unit, which is used for receiving carbon dioxide concentration information inputted by a user; and a processing unit, which is used for generating and outputting a square signal corresponding to the carbon dioxide concentration information. And the square signal is used for simulating a square signal outputted by the carbon dioxide concentration sensor. According to the invention, with the simulation apparatus, the user inputs different concentration values and thus different square signals can be outputted. Therefore, when a controller of an air conditioner is tested, the square signal obtained by the simulation apparatus is inputted into the controller so as to complete testing of the controller, so that the air conditioner controller testing operation becomes simple; and the cost is low and the experiment efficiency is improved.
Description
Technical field
The present invention relates to air conditioner field, in particular to a kind of test macro and method of testing and gas concentration lwevel Sensor Analog Relay System device and method of controller of air conditioner.
Background technology
At present, some air conditioners have new wind regulatory function, can make indoor carbon dioxide concentration remain on rational value, thereby guarantee IAQ (indoor air quality).In the test process of the controller of this class air conditioner, can the concentration value that need test controller obtain according to gas concentration lwevel sensor produce correct new wind control signal, and control load is realized new wind regulatory function.In order to complete the test of this function of controller, current way is to set up a simulated environment, by gas concentration lwevel sensor, detect the gas concentration lwevel in simulated environment, and detected gas concentration lwevel information is passed to controller, and then the reliability of test controller.
Because this test mode need to be set up a carbon dioxide simulated environment and buy gas concentration lwevel sensor, make test operation complexity, the conventional efficient of air-conditioner controller low, and cost compare is high.
For the problem of complicated operation during testing air conditioner device controller in correlation technique, effective solution is not yet proposed at present.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of test macro and method and gas concentration lwevel Sensor Analog Relay System device and method of controller of air conditioner, the problem of complicated operation when solving testing air conditioner device controller.
To achieve these goals, according to an aspect of the present invention, provide a kind of gas concentration lwevel Sensor Analog Relay System device.
Gas concentration lwevel Sensor Analog Relay System device according to the present invention comprises: receiving element, for receiving the gas concentration lwevel of user's input; And processing unit, be connected with receiving element, for generating and export the square-wave signal that gas concentration lwevel is corresponding, wherein, square-wave signal is for simulating the square-wave signal of gas concentration lwevel sensor output.
Further, receiving element is host computer, and processing unit has UART communication port, and host computer is connected with UART communication port.
Further, host computer is consistent with the communication mechanism of processing unit.
Further, receiving element is keyboard input module, and processing unit has I/O mouth, and keyboard input module is connected with I/O mouth.
Further, this device also comprises: display unit, is connected with processing unit, for showing gas concentration lwevel.
Further, display unit is charactron or LCD module, and processing unit has I/O mouth or SPI mouth, and charactron is connected with I/O mouth or SPI mouth, and LCD module is connected with I/O mouth or SPI mouth.
Further, this device also comprises: signal amplification unit, is connected with processing unit, for square-wave signal is amplified.
To achieve these goals, according to an aspect of the present invention, provide a kind of gas concentration lwevel sensor simulation method.
Gas concentration lwevel sensor simulation method according to the present invention comprises: the gas concentration lwevel that receives user's input; And generate and export the square-wave signal that gas concentration lwevel is corresponding, wherein, this square-wave signal is for simulating the square-wave signal of gas concentration lwevel sensor output.
To achieve these goals, according to an aspect of the present invention, provide a kind of method of testing of controller of air conditioner.
According to the method for testing of the controller of air conditioner of the present invention, comprise: gas concentration lwevel Sensor Analog Relay System device receives the gas concentration lwevel of user's input, and generate square-wave signal according to gas concentration lwevel, wherein, gas concentration lwevel Sensor Analog Relay System device is any one gas concentration lwevel Sensor Analog Relay System device provided by the invention; Gas concentration lwevel Sensor Analog Relay System device inputs to square-wave signal the gas concentration lwevel detection port of controller; And proving installation is according to the control signal of gas concentration lwevel and controller output, the test result of o controller.
To achieve these goals, according to an aspect of the present invention, provide a kind of test macro of controller of air conditioner.
According to the test macro of the controller of air conditioner of the present invention, comprise: the controller of air conditioner, has gas concentration lwevel detection port; Gas concentration lwevel Sensor Analog Relay System device, be connected with gas concentration lwevel detection port, for receiving the gas concentration lwevel of user's input, and generate and output square-wave signal according to gas concentration lwevel, wherein, gas concentration lwevel Sensor Analog Relay System device is any one gas concentration lwevel Sensor Analog Relay System device provided by the invention; And proving installation, be connected with controller, for according to the test result of the control signal o controller of gas concentration lwevel and controller output.
By the present invention, employing comprises the gas concentration lwevel Sensor Analog Relay System device of following part: for receiving the receiving element of the gas concentration lwevel of user's input, for generating and export the processing unit of the square-wave signal that gas concentration lwevel is corresponding, wherein, square-wave signal is for simulating the square-wave signal of gas concentration lwevel sensor output, user inputs different concentration values, it is exportable different square-wave signal, can export by analogue means the output of square-wave signal gas concentration lwevel sensor that is virtually reality like reality, thereby when the controller of testing air conditioner device, the square-wave signal input control device that only analogue means need be obtained can be realized the test of controller, the problem of complicated operation while having solved testing air conditioner device controller, and then simple to operate while making testing air conditioner device controller.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the block diagram of the test macro of the controller of the air conditioner of the embodiment of the present invention;
Fig. 2 is according to the block diagram of the gas concentration lwevel Sensor Analog Relay System device of first embodiment of the invention;
Fig. 3 is according to the block diagram of the gas concentration lwevel Sensor Analog Relay System device of second embodiment of the invention;
Fig. 4 is according to the interface schematic diagram of the host computer of the gas concentration lwevel Sensor Analog Relay System device of the embodiment of the present invention;
Fig. 5 is according to the circuit diagram of the keyboard input module of the gas concentration lwevel Sensor Analog Relay System device of the embodiment of the present invention;
Fig. 6 is according to the host computer of gas concentration lwevel Sensor Analog Relay System device of the embodiment of the present invention and the communicating circuit figure of slave computer;
Fig. 7 is according to the circuit diagram of the display unit of the gas concentration lwevel Sensor Analog Relay System device of the embodiment of the present invention;
Fig. 8 is according to the circuit diagram of the signal amplification unit of the gas concentration lwevel Sensor Analog Relay System device of the embodiment of the present invention;
Fig. 9 is according to the process flow diagram of the method for testing of the controller of the air conditioner of the embodiment of the present invention; And
Figure 10 is according to the process flow diagram of the gas concentration lwevel sensor simulation method of the embodiment of the present invention.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 1 is according to the block diagram of the test macro of the controller of the air conditioner of the embodiment of the present invention, and as shown in Figure 1, this test macro comprises controller 10, gas concentration lwevel Sensor Analog Relay System device 30 and the proving installation 50 of tested air conditioner.
Test man is when whether testing air conditioner device controller can accurately produce new wind control signal according to the gas concentration lwevel signal receiving, by gas concentration lwevel Sensor Analog Relay System device 30 input gas concentration lwevels, analogue means 30 generates corresponding square-wave signal according to the gas concentration lwevel of test man's input, the output terminal of analogue means 30 is connected with the gas concentration lwevel detection port of controller 10, controller 10 detects gas concentration lwevel detection port different duty square-wave signal when input, be converted into corresponding gas concentration lwevel, and the gas concentration lwevel according to default control algolithm and after transforming judges whether to export new wind control signal.
When the gas concentration lwevel of test man input meets the requirement that air conditioner is opened new wind function, and during the corresponding new wind control signal of controller 10 output, illustrate that this controller 10 is normal, proving installation 50 outputs test result for normally; When the gas concentration lwevel of test man input does not meet the requirement that air conditioner is opened new wind function, and controller 10 is not during the corresponding new wind control signal of output, also illustrates that this controller 10 is normal, and proving installation 50 outputs test result for normally; When the gas concentration lwevel of test man input meets the requirement that air conditioner is opened new wind function, but controller 10 is not during the corresponding new wind control signal of output, illustrates that this controller 10 is abnormal, and proving installation 50 outputs test result for extremely; When the gas concentration lwevel of test man input does not meet the requirement that air conditioner is opened new wind function, but controller 10 is while having exported new wind control signal, illustrates that this controller 10 is abnormal, and proving installation 50 outputs test result for extremely.
Preferably, in proving installation 50, prestore the corresponding relation of gas concentration lwevel and air conditioner action, when the gas concentration lwevel of test man input and the control signal of controller 10 outputs are during the satisfied corresponding relation prestoring, controller 10 is all abnormal, otherwise, controller 10 is normal, and proving installation 50 outputs test result.
Adopt the test macro of the controller of the air conditioner that this embodiment provides, by analogue means, test man is inputted to the square-wave signal that gas concentration lwevel is converted into the output of Reality simulation sensor, thereby, test man only need input the test that gas concentration lwevel can complete controller, without setting up simulated environment, also, without buying gas concentration lwevel sensor, make the test operation of controller of air conditioner simple, the cost of test is low, and the efficiency of experiment is high.
The embodiment of gas concentration lwevel Sensor Analog Relay System device is also provided in this embodiment, it should be noted that, the gas concentration lwevel Sensor Analog Relay System device that any embodiment provides all can be used in the test macro of controller of the air conditioner shown in Fig. 1, complete the test of controller, will introduce the gas concentration lwevel Sensor Analog Relay System device providing in this embodiment below.
Fig. 2 is according to the block diagram of the gas concentration lwevel Sensor Analog Relay System device of first embodiment of the invention, and as shown in Figure 2, this analogue means comprises receiving element 31 and processing unit 33.
Receiving element 31 is for receiving the gas concentration lwevel of user's input.Processing unit 33 is connected with receiving element 31, for the gas concentration lwevel receiving according to receiving element 31, generate corresponding square-wave signal, and by the square-wave signal output generating, wherein, this square-wave signal is for simulating the square-wave signal of gas concentration lwevel sensor output.
The analogue means providing by this embodiment, can simulate gas concentration lwevel sensor and according to the gas concentration lwevel detecting, export the process of corresponding square-wave signal, user inputs different concentration values, analogue means is exportable different square-wave signal, thereby when the controller of testing air conditioner device, the square-wave signal input control device that only analogue means need be obtained can be realized the test of controller, makes the simple to operate of testing air conditioner device controller, the cost of examination is low, and the efficiency of experiment is high.
Fig. 3 is according to the block diagram of the gas concentration lwevel Sensor Analog Relay System device of second embodiment of the invention, and as shown in Figure 3, this analogue means mainly comprises following five major parts: host computer; Keyboard input module; Data Detection processing module (being also processing unit); Gas concentration lwevel value display module (being also display unit) and signal amplification circuit (being also signal amplification unit).
Wherein, by VB or the exploitation of Labview development platform, can run on the user interface of host computer, as shown in Figure 4,4 tunnels (or more) gas concentration lwevel value can be inputted in interface, possess drop-down menu and can select different manufacturers carbon dioxide sensor No. ID, to realize the different sensor of simulation, user, input after dense carbon dioxide degrees of data, according to the communications protocol of host computer and Data Detection processing module agreement, be assembled into the data of frame 16 system forms, wherein, the mode of CRC check for data acquisition.
Because host computer and Data Detection processing module have the communications protocol of agreement, also there is consistent communication mechanism, for example baud rate is consistent, and can guarantee to demonstrate,prove communication success between host computer and Data Detection processing module.
Host computer is connected to nonpolarity 485 communicating circuit interfaces by computer serial ports and 485 converters, is resent to the single-chip microcomputer UART communication port of Data Detection processing module.
When host computer breaks down or when inconvenience uses host computer to receive user to input, user can be inputted gas concentration lwevel value and be selected different manufacturers sensor ID number by keyboard input module, wherein, button in keyboard input module comprises function key, increases key, reduces key, determines key and cancel key, its circuit as shown in Figure 5, keyboard input module, after receiving user input data, is resent to the I/O mouth of the single-chip microcomputer of Data Detection processing module.
Wherein, user can realize concentration value by keyboard input module and select, concentration position is selected and ID selects, for example, it is 100 that user can select the gas concentration lwevel sensor that will simulate by ID options button, by concentration position options button, select kilobit, then by concentration value options button input 2, by concentration position options button, select hundred, then by concentration value options button input 3, by concentration position options button, select ten, then by concentration value options button input 0, by concentration position options button, select a position, then by concentration value options button input 0, the gas concentration lwevel sensor that to complete No. ID be 100, the simulation that gas concentration lwevel is 2300ppm detected.
User is when changing sensor ID number or gas concentration lwevel, all can be by increasing key or reducing key input and revise signal, user is determining that this inputs when effective, by determining that key input determines signal, user, when cancelling this input, inputs invalid signals by cancel key.
The interface circuit of host computer and the communication of Data Detection processing module as shown in Figure 6, wherein, the RO port of non-polar 485 chip chip connects RXD0 via resistance, and Labview host computer is sent to the control data that issue the receiving port RXD0 of microcontroller communication interface UART0 through the RO port of non-polar 485 chip (MAX13089EESD); The DE port of chip with
port connects, connect by connecting DE0 by resistance, DE with
port is respectively the transmission Enable Pin of data and receives Enable Pin, when
during for logical zero, chip is in data receiving state, and when DE is logical one, chip sends state in data, owing to adopting half duplex communication mode, therefore the IO mouth (diagram is DE0) by one of single-chip microcomputer and DE and
connect, change 0 or 1 signal and reach control reception or send object; The DI port of chip connects TXD via resistance, master chip receives after the control data that Labview host computer issues, need to load responsive data frame, and be sent to host computer after the DI port that is sent to non-polar 485 chip (MAX13089EESD) through the receiving port TXD0 of communication interface UART0; The RXP port of chip is connected with TXP port, and be connected with REVER1 simultaneously, when the reversal connection of user's connecting communication line, single-chip microcomputer cannot detect correct data through certain hour, by single-chip I/O mouth (REVER1), control RXP and TXP port, RXP and TXP port are exchanged with sending data the reception of host computer by detecting 0 level or 1 level, reach automatic correction communication object; Interface CN1 is used for connecting master chip program burn writing; Interface J2 is used for connecting communication interface with pc; Interface J3 is used for connecting communication interface with pc, identical with J2 effect.
Chip in this Data Detection processing module has the functions such as timer, PWM output, communication interface, I/O mouth and SPI mouth, such as adopting LPC2138 etc.Master chip detects UART communication interface in real time, when finding that there is communication data, receive, finish receiving data are carried out to CRC check, the communication data processing that makes an explanation that meets the requirements, do not meet and abandon, when Data Detection processing module and host computer, communication in 30 seconds is not gone up and is carried out the reversion of AB signal.When master chip detects communication data, detect the data of I/O mouth, when when I/O mouth detects useful signal, carry out respective response and processing.Master chip receives after communication data or button data, analyzes gas concentration lwevel value corresponding to data, and obtains current I No. D, calculates the corresponding total periodic quantity of square-wave signal, the dutyfactor value of gas concentration lwevel.When master chip calculates square-wave signal, corresponding SCM PWM square wave output port is carried out to initialization, output square-wave signal after initialization completes, simultaneously, load and show data, by SPI mouth or I/O port transmission dense carbon dioxide degrees of data, so that gas concentration lwevel value display module shows.
Gas concentration lwevel value display module shows by charactron or LCD, wherein charactron adopts three charactrons or two eight charactrons, by driving circuit, drive, can show that Cmax value is 9999, as shown in Figure 7, the SHCP port of the chip of driving circuit connects SPI_SCX via resistance, according to the characteristic of 74HC595 chip, when single-chip microcomputer need to transmit data, single-chip microcomputer (SPI_SCX port) is controlled 74HC595 chip SHCP level, for rising delay data is by being input in the shift register of 74HC595 chip, simultaneously, this SHCP port is via capacitor C 25 ground connection, this SHCP port is also for connecting the SHCP of next road 74HC595 chip, in conjunction with chip Q7 ' port object, be common port to control multigroup numerical pipe simultaneously, the STCP port of chip connects STCP via resistance, when this port of single-chip microcomputer is output as rising edge, can enter data in 74HC595 chip-stored register, simultaneously, STCP port, for the STCP of next road 74HC595 chip, is also common port to control multigroup numerical pipe in conjunction with chip Q7 ' port object simultaneously, the DS port of chip connects DS via resistance, and single-chip microcomputer shows that by need data deliver to 74HC595 chip by DS oral instructions, and meanwhile, this DS port is via capacitor C 26 ground connection, the VCC end of chip connects power supply, between VCC end and power supply, two nodes is set, respectively via capacitor C 27 and capacitor C 28 ground connection, the Q7 end of chip is connected to the base stage of triode Q2 via resistance, the emitter of triode Q2 connects power supply, the collector of triode Q2 is connected with charactron, simultaneously, the Q7 end of chip is connected to the base stage of triode Q5 via resistance, the emitter of triode Q5 connects power supply, and the collector of triode Q5 is connected with charactron.
Signal amplification circuit receives after square-wave signal, and marking current or voltage signal are amplified, and for making amplifying circuit have versatility, can in amplifying circuit, add dial-up, in conjunction with single-chip microcomputer characteristic, by amplifier, the conversion of 3.3V signal can be turned to 5V.As shown in Figure 8, signal amplification circuit comprises the first resistance R 1, the second resistance R 2, the 3rd resistance R 3 and comparer U9, the first end of comparer U9 is via the output of the first resistance R 1 connection data Check processing module, the second end is via the second resistance R 2 ground connection, the 3rd end is for exporting the square-wave signal after amplification, the 4th termination power, five terminal ground connection, wherein, between the second resistance R 2 and comparer U9, there is node, the first end of the 3rd resistance R 3 is connected to this node, and the second end of the 3rd resistance R 3 is connected to the 3rd end of comparer U9.
Wherein, when this analogue means is used for the controller of testing air conditioner device, signal amplification circuit is directly connected with tested air-conditioning gas concentration lwevel testing circuit port, when the controller of air conditioner detects port and has the input of different duty square-wave signal, be converted into corresponding gas concentration lwevel value, and make respective handling, export control signal.
The carbon dioxide analogue means that adopts this embodiment to provide, by input different concentration values at input window, just can export different square-wave signals, square-wave signal is passed to the controller of air conditioner, gets final product the reliability of test controller.By this embodiment, only need directly at host computer or keyboard input module input gas concentration lwevel value, can produce corresponding square-wave signal, parameter is adjustable at any time, can replace true carbon dioxide sensor to test, and can simulate different manufacturers carbon dioxide sensor, highly versatile, reduces product development experimental cost.
Fig. 9 is according to the process flow diagram of the method for testing of the controller of the air conditioner of the embodiment of the present invention, and as shown in Figure 9, the method comprises that following step S102 is to step S106.
Step S102: gas concentration lwevel Sensor Analog Relay System device receives the gas concentration lwevel of user's input, and generate square-wave signal according to gas concentration lwevel, wherein, gas concentration lwevel Sensor Analog Relay System device can be any one gas concentration lwevel Sensor Analog Relay System device providing in this specific embodiment.
Step S104: gas concentration lwevel Sensor Analog Relay System device inputs to square-wave signal the gas concentration lwevel detection port of controller.
Step S106: proving installation is according to the control signal of square-wave signal and controller output, the test result of o controller.
Adopt the method for testing of the controller of the air conditioner that this embodiment provides, by analogue means, test man is inputted to the square-wave signal that gas concentration lwevel is converted into the output of Reality simulation sensor, thereby, test man only need input the test that gas concentration lwevel can complete controller, without setting up simulated environment, also, without buying gas concentration lwevel sensor, make the test operation of controller of air conditioner simple, the cost of test is low, and the efficiency of experiment is high.
Figure 10 is according to the process flow diagram of the gas concentration lwevel sensor simulation method of the embodiment of the present invention, and as shown in figure 10, the method comprises that following step S202 is to step S206.
Step S202: the gas concentration lwevel that receives user's input.
Step S204: generate square-wave signal according to gas concentration lwevel.
Step S206: output square-wave signal, wherein, this square-wave signal is for simulating the square-wave signal of gas concentration lwevel sensor output.
Preferably, after step S206, also comprise the step that this square-wave signal is amplified, and the step that shows gas concentration lwevel.
The analogy method providing by this embodiment, can simulate gas concentration lwevel sensor and according to the gas concentration lwevel detecting, export the process of corresponding square-wave signal, user inputs different concentration values, it is exportable different square-wave signal, thereby when the controller of testing air conditioner device, only the square-wave signal input control device of simulation can need be realized to the test of controller, make the simple to operate of testing air conditioner device controller, the cost of examination is low, and the efficiency of experiment is high.
From above description, can find out, the present invention has realized following technique effect: can export by analogue means the output of square-wave signal gas concentration lwevel sensor that is virtually reality like reality, thereby when the controller of testing air conditioner device, the square-wave signal input control device that only analogue means need be obtained can be realized the test of controller, simple to operate while making testing air conditioner device controller.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a gas concentration lwevel Sensor Analog Relay System device, is characterized in that, comprising:
Receiving element, for receiving the gas concentration lwevel of user's input; And
Processing unit, is connected with described receiving element, and for generating and export the square-wave signal that described gas concentration lwevel is corresponding, wherein, described square-wave signal is for simulating the square-wave signal of gas concentration lwevel sensor output.
2. device according to claim 1, is characterized in that, described receiving element is host computer, and described processing unit has UART communication port, and described host computer is connected with described UART communication port.
3. device according to claim 2, is characterized in that, described host computer is consistent with the communication mechanism of described processing unit.
4. device according to claim 1, is characterized in that, described receiving element is keyboard input module, and described processing unit has I/O mouth, and described keyboard input module is connected with described I/O mouth.
5. device according to claim 1, is characterized in that, also comprises:
Display unit, is connected with described processing unit, for showing described gas concentration lwevel.
6. device according to claim 5, it is characterized in that, described display unit is charactron or LCD module, and described processing unit has I/O mouth or SPI mouth, described charactron is connected with described I/O mouth or SPI mouth, and described LCD module is connected with described I/O mouth or SPI mouth.
7. device according to claim 1, is characterized in that, also comprises:
Signal amplification unit, is connected with described processing unit, for described square-wave signal is amplified.
8. a gas concentration lwevel sensor simulation method, is characterized in that, comprising:
Receive the gas concentration lwevel of user's input; And
Generate and export the square-wave signal that described gas concentration lwevel is corresponding, wherein, described square-wave signal is for simulating the square-wave signal of gas concentration lwevel sensor output.
9. a method of testing for the controller of air conditioner, the controller of air conditioner has gas concentration lwevel detection port, it is characterized in that, comprising:
Gas concentration lwevel Sensor Analog Relay System device receives the gas concentration lwevel of user's input, and generate square-wave signal according to described gas concentration lwevel, wherein, described gas concentration lwevel Sensor Analog Relay System device is the gas concentration lwevel Sensor Analog Relay System device described in any one in claim 1 to 7;
Described gas concentration lwevel Sensor Analog Relay System device inputs to described gas concentration lwevel detection port by described square-wave signal; And
Proving installation, according to the control signal of described gas concentration lwevel and the output of described controller, is exported the test result of described controller.
10. a test macro for the controller of air conditioner, is characterized in that, comprising:
The controller of air conditioner, has gas concentration lwevel detection port;
Gas concentration lwevel Sensor Analog Relay System device, be connected with described gas concentration lwevel detection port, for receiving the gas concentration lwevel of user's input, and generate and output square-wave signal according to described gas concentration lwevel, wherein, described gas concentration lwevel Sensor Analog Relay System device is the gas concentration lwevel Sensor Analog Relay System device described in any one in claim 1 to 7; And
Proving installation, is connected with described controller, for export the test result of described controller according to the control signal of described gas concentration lwevel and the output of described controller.
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| CN109270916A (en) * | 2018-08-03 | 2019-01-25 | 惠州市德赛西威汽车电子股份有限公司 | Analog detection method, device, storage medium and the terminal of vehicle air system |
| CN111273575A (en) * | 2019-07-01 | 2020-06-12 | 青岛拓步科技有限公司 | Intelligent sensor analog simulation and automatic detection device |
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| CN111273575A (en) * | 2019-07-01 | 2020-06-12 | 青岛拓步科技有限公司 | Intelligent sensor analog simulation and automatic detection device |
| CN111273575B (en) * | 2019-07-01 | 2023-04-11 | 青岛拓步科技有限公司 | Intelligent sensor analog simulation and automatic detection device |
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